<a href="http://inhabitat.com/tag/andrew-maynard/" target="_blank">Andrew Maynard</a> is the darling of the residential architecture world in Australia - and he's just added another home to his list of completed works. <a href="http://www.maynardarchitects.com/Site/houses_1/Pages/Byrne.html" target="_blank">HOUSE House</a> is a renovation and extension of two row houses in Melbourne that maximizes space and encourages sustainable living. The project's main feature is a new three-story timber addition that opens the home up to the backyard, pulls in daylight through a light well and works to vent hot air out through the roof.

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House House-Andrew Maynard Architects

<a href="http://www.maynardarchitects.com/Site/houses_1/Pages/Byrne.html" target="_blank">HOUSE House</a> is owned by a single extended family and consists of two homes right next to each other.

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House House-Andrew Maynard Architects

Originally, an extension jutted out into the back yards and all but eliminated any outdoor space.

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House House-Andrew Maynard Architects

The new renovation by <a href="http://inhabitat.com/tag/andrew-maynard" target="_blank">Andrew Maynard</a> actually increases outdoor space while providing slightly more interior space and making the entire project more useful for the family.

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House House-Andrew Maynard Architects

After removing the original addition, Maynard built a new timber block on the back, which is separated from the original house by a transparent gap.

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House House-Andrew Maynard Architects

This glass gap acts as a light well that fills the back part of the home with light.

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House House-Andrew Maynard Architects

It also serves as an atrium that allows hot air to vent up and out through louvers in the summer (via the stack effect).

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House House-Andrew Maynard Architects

The original home with a hallway that leads into the new extension.

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House House-Andrew Maynard Architects

Built from sustainably-sourced timber, the addition is both modern and warm and it creates an obvious contrast between the older portion of the home.

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House House-Andrew Maynard Architects

The backside faces the west and windows are minimized in order to limit solar gain, while the rest of the windows were replaced with double-paned units to increase efficiency.

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House House-Andrew Maynard Architects

Insulation in the walls and roof was increased to minimize energy loss, and louvered windows can be adjusted for ventilation and sunlight as needed.

House House-Andrew Maynard Architects

Andrew Maynard is the darling of the residential architecture world in Australia - and he's just added another home to his list of completed works. HOUSE House is a renovation and extension of two row houses in Melbourne that maximizes space and encourages sustainable living. The project's main feature is a new three-story timber addition that opens the home up to the backyard, pulls in daylight through a light well and works to vent hot air out through the roof.